So you want to make Yukihira's Tonkatsu with Black Cheese Sauce, eh? Just be aware...it takes a LONG time to make and if anything you can make a nice béchamel (cheese sauce) and add some roasted ...
In this bulgogi grilled cheese, shaved steak is marinated in a sweet, spicy, umami-rich sauce and piled onto brioche with tangy kimchi and 2 kinds of cheese.